Safety mechanism for ironing-machines



w. BABVTHOLOMJEW.

CHANISM FOR IRON ING MACHINES. APPLICATION FILED DEC. I0. 1914.

-- SAFETY ME Patented July 20, 1920.

2 SHEETS-SHEET l- 69 am M h/z' $7 eases W. BA RT HOLOMEW. SAFETYMECHANISM FOR IRONING MACHINES. APPLICATION FILED 05 .10. 1914.

1,346,872; Patented July 20, 1920.

2 SHEETS-SHEET 2.

. lnwnimv 3%63865: ZJiZZz'amBarZh-olomew J. m/uwh source of power withthe moving parts of the,

starting and stopping of the machine through the mediumlof anysuitablemechanism for connecting and disconnecting a machine. Inasmuchas my inventionis not concerned with the particular mechanism; ac-

tuated by the starting lever G for effecting the starting and stoppingof the machine, it

is not necessary to a full disclosurejof my invention that suchmechanism should be illus-.,

trated or described.

7 H designates a safety guard of'any suit able construction, such forinstance as a rectangular 'p'anel formed of a surrounding framesupporting wire fabric. The guard H ismounted upon the machine in frontof the space between the receivingroll and cooper- ;atin'g' steamcylinder, and is" of 'a' length conforming tothe width of the feed apronE,

in order th atj all.portions of the articles fed to; the machine by theapronmu st pass below the guard. The guard is provided with trunnionsIt? and [12, which are supported in bearings formed in the upper'endsofthe I brackets H and H secured tofthe end frames of the machine;()neloffthe. trunnions, as p y for instance if, has fixed thereon'acrank arm 7L connected at its outer-end by means latter being preferablylocatedwith'in a cy- I l1ndr1cal guide casing O; The flexible eon- 40ithe latter being connected at one end through an offset portion m withthe controlling lever Ur of the-machinef Aiflexible connection n extendsfrom the bar M to a weightiNfthe neetionn passes through a curved"tubular guide '0 to the interior of .thecylinder .O,

where it'is connected with the weight N.

The weightll tends to move thebar Min a directionotooscillatethe lever adirecf tion to stop the operation of the machine.

In order that the leverG may be retained against the action of theweight N inthe position which itmust assume in order that the machinemay be operated, afnotch p'is formed n the under-surface of the bar M[which engages a post 1? fixed to and pro 'ectin outwardl from. the.ad'acent side V b i l 7 frame of the machine. In order that the bar Mmaybe retained ,111 properspos'ition upon cured to the the supportingpin jlg, aguide loop Z is se- R designates aqsecond safety gu'a'rd whichImayfbe conveniently of the same construcftion' as the guard H. ,Theguard R is located at the delivery side fthe machine above the apron F,and in position to be. engaged by an operator attempting, to reach theacent The guard-R isprovided with laterally projectpinL ajnd extendsaround the- M m w 'thatthe notchptherein will be disengaged ingtrunnions r and 1' intermediate of its the top of'the frame of theguard'I-I. Col- .la'r's .8 78? are fixed upon thes rods S S adjacent theinner surfaces of the frame of the gu'ardI*I,so that aninward movementof of the'guarfd R and pass through openings in the top of the guard Rwill oscillateinwardly i the lower portion of the guard'HI i' In orderthatthe operation of the machine may be conveniently stopped, when'desired,

by an operator at the delivery side of the j machine, 'rodsfT and Tfa'r'e' connected to the opposite sides of the guard H adjacent itsbottom, as by means. of the brackets 15;

The rods T and T 'pass through guide brackets T, supported upon the sideframes ofthe machine, ,The free ends of therods T and T? are providedwith knobs t and t respectively, by means of which either of the rodsmay be pulled in a direction'away from to stop the opera'ti'onbf "themachine in'fa 1 Fixed jupon each of the; side frames of theymachineadjacent the lower edge of the,

the guard H, and the latter thereby oscillated 'guardR, is a bracket U,upon which is' ful fcrumed intermediate of "its ends a shortlever u.'The levers u are provided'with slots. throughwhi'ch extend the rods Tand T respectively, such rods "having fixed latter are oscillated. Proectingflaterally thereon collars a and a in positions to be -f "engagedby the respective levers u when the i portions of the short-leversuwhich depend below their f ulcrums. i r p The operation ofmy improved'safety mechanism is as follows Should th'ejhand of; an operator inarranging articles upon the feed apron E approach too closeto the adjacent roll and cylinder, it will engage the bottom of the guard Hand movethe same inwardly toward the'machi'ne. Such move .nient of the guardoscillates its trunnions so that the crank-arm it will be raised andwilllift upwardly the. depending rod 70, which in turn will oscillatethe lever K. The upward oscillation of the lever K lifts the barM'sofrom 'the post'P, thereby permitting the weight N to fall andoscillatef'the controlling lever G into position to discontinue theoperation of the machine? t 7 Af ter 'the pressure upon the guard h beendiscontinued, it oscillates'by gravity to its normal position in whichthe-bar-Mrests again startedby'moving the leverG toward the-machine, andwhen it has reached the desired position the notchp inthe bar M 1 willhave engaged. the post. P so as to prevent thev weight from movingtlielever G intoposition to stop the operation of the machine.

When for any reason an operator on the delivery side of the machinedcsires to 'stop its operation, as for instance to disengage articleswhich may have 'become tangled, it "is merely necessary for the operatorto exert a pull upon either of the knobst orv 25 on the rod T or T hichoscillates the bottom of the guard H toward the machine and therebytrips the bar M and permits the weight to move the controlling lever Gto its off position. a

Should an operator on the delivery side of the machine attempt while themachine is in operation to reach articles passing through the machine,the top of the guard R will be oscillated inwardly through the necessarycontact therewith of the operator. Such oscillation of the guard Roscillates the top of the guard H away from. the machine through themedium ofthc rods S and S and the collars s and s thereon. The machineis consequently stopped. The machine is, also instantly stopped shouldthe bottom of the guard R be moved inwardly, inasmuchas such movement ofthe guard causes the brackets '0 and o thereon to oscillate the levers aand cause them to engage the collars a and a fixed upon the rods T and Tand move the latter in a direction tooscillate inwardly the From theforegoing description it observed that I have invented an improvedsafety mechanism comprising guards located at a plurality of places uponthe ma chine so that should any of the guards be i moved, the operationof the machine will be discontinued and danger of injury to theoperators avoided. It will be further observed that in my improvedsafety mechanism the machine is stopped when a guard is moved in eitherdirection, thereby protecting from injury an operator who might attemptto reach either above or below the safety guard.

While I have described more or less in detail the specific embodiment ofmy invention herein disclosed, yet that I do not intend to be limitedthereto, asl comprehend changes in form, the proportion of parts, andthe substitution of equivalents, as occasion may require, or as may beexpedient.

its application to the type of ironing machine in connection with whichit is illustrated, but is capable of application to various machines.

' ing moving. parts places, of adevice forcontrolling the operafed toit, a safety bottomof the guard H.

will be it will be understood It will be further understood that myinvention is not limited in Iclaim: :1 1. The combination w1thawmachineexposed at a plurality of tion of the machine, a safety guardfor protecting each of the exposedplaces of the machine, means operativelyconnecting said safety guards with said device to actuate the sametostop the operation of the machine when" any. of said guards is movedand means extending from'said guard to remote part of the machine formanually moving the guard to actuate said device to stop the operationof the machine. 7

2. The combination with a machine comprising moving partsbetween whicharticles are passed, ofja safety guard protecting the side of themachine where the articles are guard pivotally supported upon ahorizontal axis intermediate of its top-and bottom for protecting theside of the machine from which the articles are de- I livered, adevicclfor controlling the opera-Y tion of the-machine, and meansoperatively connecting both of said safety guards with said'deviceforactuating the same to stop the operation of the machine when said firstguard is moved in one direction and when said second guard is moved ineither direction.

3. The combination with machine hav ing moving parts exposed at aplurality of places, of a device for controlling the operation of themachine, a plurality of oscillating guards protecting different exposedportions of the machine, means operatively connecting one of said guardswith said device for actuating the same to stop the operation of themachine, rods connecting the said 7 V uards so that the movement of anyof said guards will effect the stopping of the ma chine, and meansextending from said guards for manual operation to effect the stoppingof the machine.

- 4:. The combmat1onwithzt machinehaving moving parts exposed at apluralityjof places, of a cated' at different exposed 7 machine," rodsconnecting the tops of the guards, means connecting one of said guardswith said device for actuating the same to stop the operation of themachine, rods *eX- tending tioned guard to positions adjacent the bottomof said other guard, and means operdevice for controlling the operationof the machine,a pair of'safety'guards joach oscillatory upon,horizontal axe's loportions of the from the bottom of said last-men- Hatively connecting said latter guard with said last-mentioned rods toeffect the stopping of the machine when the bottom of saidlast-mentioned guard is oscillated toward the machine.

5. The combination with a machine-comr prising exposed moving parts, ofa movable safety guard for protecting said-moving parts,-and a devicecontrolling the operation of the'machine actuated by a movement of saidguard ineither direction to stop the operation of the machine.

- p 6. Thecombination with a machine comprising exposed moving parts, ofa safety guardfor protecting said moving parts,*

means for pivotally supporting said guard to oscillate upon a horizontalaxis intermediate of its top and bottom, and a device my name.

WILLIAM BARTHOLOMEW.

Witnesses:

C. M. LEARY',

J. W. LYON.-

